To use the forum you do not need to create an account. All you have to do is provide your name and an email address to create new topics and post replies.
How to create a forum profile
To create a forum profile you must register a valid email address here: register
Check your spam folder if you do not find this mail delivered in your inbox. It will be delivered from WordPress and some mail services like Gmail automatically add these types of messages to the spam folder.
How to create a new topic
To create a new topic sign into your forum account and go to the forum that you want to create a topic in. Use the form on the webpage to create a new topic. The form will only appear if you are signed in.